Finding the Fourth Proportional to 25,111.50, 37,645.74 and 10,311.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.50 : 37,645.74 = 10,311.18 : x
2. Step 2: Convert to fraction form
   25,111.50/37,645.74 = 10,311.18/x
3. Step 3: Cross multiply
   25,111.50x = 37,645.74 × 10,311.18
4. Step 4: Simplify right side
   25,111.50x = 388,172,001.37
5. Step 5: Solve for x
   x = 388,172,001.37/25,111.50
6. Step 6: Final answer
   x = 15,457.94